PLEASE NOTE: At Borboleta, we take pride in offering the highest quality products for lash artists. Our adhesive has earned its reputation as the GO-TO choice for professionals seeking reliability and performance. As part of our commitment to quality, we continuously strive to enhance our formulas through ongoing research and development, ensuring that lash artists benefit from innovation and  best-in-class products. As a result, our adhesive formulas may undergo periodic updates and improvements to stay at the forefront of industry standards and technological advancements. These refinements are aimed at ensuring that our products consistently meet and exceed the expectations of lash artists and the clients we serve. At Borboleta, quality and availability are at the core of who we are, and we never settle for the status quo, always pushing the boundaries to deliver superior solutions for lash artists worldwide. If you have any questions or need further info, please don't hesitate to contact our customer service team. What You’ll GetOne Bottle, 5 ml, 0.17 fl oz, Choose Your Viscosity  All The DetailsBlinking, bathing, crying happy tears—lash extensions go through a lot. Give yours extra life with our exclusively developed, custom-made eyelash extension glue. You can choose from three different lash glue viscosities: Medium Thin (Refreshed Formula), Medium, and Medium Thick, depending on your preference. They’re all made to grip onto lashes for the long haul Dry time? 1–2 seconds flat. Hold time? Up to 5 weeks without fuss  More fun facts: Our lash extension glue is free of petrochemicals, latex, and formaldehyde. It’s happiest living between 68-72 degrees Fahrenheit and within a humidity range of 40%-60%